拨号音 bōhàoyīn dial tone Definitions Defs Origin Strokes Stroke Words Sentences Sents 拨号音 撥號音 bōhàoyīn dial tone The sound heard when a telephone line is ready for a number to be dialed
拨号音 撥號音 bōhàoyīn dial tone The sound heard when a telephone line is ready for a number to be dialed
